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English-Thai Dictionary

dynameter

N เครื่อง ขยาย กล้องจุลทรรศน์ kreang-ka-yai-klong-jun-la-thad

Webster's 1828 Dictionary

DYNAMETER

n.[Gr. strength, and to measure. ] An instrument for determining the magnifying power of telescopes.

Webster's 1913 Dictionary

DYNAMETER

Dy *nam "e *ter, n. Etym: [Gr. -meter: cf. F. dynamètre. Cf. Dynamometer. ]

1. A dynamometer.

2. (Opt. )

Defn: An instrument for determining the magnifying power of telescopes, consisting usually of a doubleimage micrometer applied to the eye end of a telescope for measuring accurately the diameter of the image of the object glass there formed; which measurement, compared with the actual diameter of the glass, gives the magnifying power.

Duden Dictionary

Dynameter

Dy na me ter Substantiv, Neutrum , das |Dynam e ter |das Dynameter; Genitiv: des Dynameters, Plural: die Dynameter griechisch-neulateinisch Instrument zur Bestimmung der Vergrößerungsleistung von Fernrohren